iad-to-bos

 

The cheapest times to fly from IAD to BOS are

  • January 1st to February 25th
  • April 30th to May 13th
  • August 20th to November 18th
  • December 3rd to February 25th (except the weeks of December 17th and December 24th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAD to BOS is early December. Prices can be as high as $380 for Sunday flights during early to mid April, or as low as $156 for Tuesday flights around early December.

 

When to Fly to Boston

Flying from Washington, DC (IAD) to Boston, MA (BOS) will usually cost between $156 to $306 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $164. Due to high demand the most expensive time to fly is early to mid April, with an average price of $298. Planning your trip to low-cost times can easily save you $134 on economy flights and even more on first-class flights. Generally, any price below $213 can be considered a good price for a round-trip IAD to BOS flight.

See below for a graph of average weekly prices for the IAD to BOS route. All prices are for round-trip tickets in USD.

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IAD to BOS Flight Prices

Compared to other flights, the IAD to BOS flight is much cheaper than the average and costs much less than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.32, which is in the normal range for a flight.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $75 (29%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $183. Return trip prices are from the BOS to IAD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from IAD to BOS can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 43 minutes may be realistic.

 

Flight Questions Answered

Still have questions about flying from IAD to BOS? We’ve got answers.

Which airlines fly this route?

You can find 9 major airlines flying this route most often: American, Cape Air, China Eastern, Delta, Frontier, Qantas, Southwest, Sun Country Airlines, United, and potentially more during busy seasons.

How far away is it from Logan International Airport to Washington Dulles International Airport?

The distance between the two airports is roughly 412 miles or 663 kilometers.

How long does it take to fly from IAD to BOS?

The real-world flight time for a nonstop IAD to BOS flight is about 1 hour 43 minutes.

How many flights go between Washington, DC and Boston, MA?

It depends on the day of the week and the date, but a typical day might have around 59 available flights from IAD to BOS.

 

Airport Location Info

 

Departing Airport

Origination code IAD
Origination airport name Washington Dulles International Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77.5

Return Airport

Destination code BOS
Destination airport name Logan International Airport
City Boston, MA
Country the United States
Latitude 42.4
Longitude -71

 

Late and Early Flight Data

Flights from IAD to BOS tend to depart as late as the average flight. According to our recently updated data, 27% of flights departed 5 or more minutes late, and 26% of flights left 5 or more minutes early. On average you can expect to leave BOS heading for IAD about 19 minutes late. This does significantly impact arrival time, as the average landing time in Boston, MA is about 17 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • United: 19 minutes late
  • Mesa: 15 minutes late
  • Some airlines not reporting

 

Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.